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Date: Sat, 15 Aug 2020 13:24:37 +0200 From: Johan Jonker <jbx6244@...il.com> To: heiko@...ech.de Cc: robh+dt@...nel.org, lgirdwood@...il.com, broonie@...nel.org, sugar.zhang@...k-chips.com, alsa-devel@...a-project.org, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org Subject: [RFC PATCH v1 2/2] arm64: dts: rockchip: change fallback string rockchip,rk3308-spdif A test with the command below shows that the compatible string "rockchip,rk3308-spdif", "rockchip,rk3328-spdif" is already in use, but is not added to a document. The current fallback string "rockchip,rk3328-spdif" points to a data set enum RK_SPDIF_RK3366 in rockchip_spdif.c that is not used both in the mainline as in the manufacturer kernel. (Of the enum only RK_SPDIF_RK3288 is used.) So if the properties don't change we might as well use the first SoC in line as fallback string and add the description for rk3308 as: "rockchip,rk3308-spdif", "rockchip,rk3066-spdif" make ARCH=arm64 dtbs_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/sound/rockchip-spdif.yaml Signed-off-by: Johan Jonker <jbx6244@...il.com> --- enum rk_spdif_type { RK_SPDIF_RK3066, RK_SPDIF_RK3188, RK_SPDIF_RK3288, RK_SPDIF_RK3366, }; static const struct of_device_id rk_spdif_match[] = { { .compatible = "rockchip,rk3066-spdif", .data = (void *)RK_SPDIF_RK3066 }, { .compatible = "rockchip,rk3188-spdif", .data = (void *)RK_SPDIF_RK3188 }, { .compatible = "rockchip,rk3228-spdif", .data = (void *)RK_SPDIF_RK3366 }, { .compatible = "rockchip,rk3288-spdif", .data = (void *)RK_SPDIF_RK3288 }, { .compatible = "rockchip,rk3328-spdif", .data = (void *)RK_SPDIF_RK3366 }, { .compatible = "rockchip,rk3366-spdif", .data = (void *)RK_SPDIF_RK3366 }, { .compatible = "rockchip,rk3368-spdif", .data = (void *)RK_SPDIF_RK3366 }, { .compatible = "rockchip,rk3399-spdif", .data = (void *)RK_SPDIF_RK3366 }, {}, }; --- arch/arm64/boot/dts/rockchip/rk3308.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3308.dtsi b/arch/arm64/boot/dts/rockchip/rk3308.dtsi index e8b754d41..2560b9877 100644 --- a/arch/arm64/boot/dts/rockchip/rk3308.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3308.dtsi @@ -574,7 +574,7 @@ }; spdif_tx: spdif-tx@...a0000 { - compatible = "rockchip,rk3308-spdif", "rockchip,rk3328-spdif"; + compatible = "rockchip,rk3308-spdif", "rockchip,rk3066-spdif"; reg = <0x0 0xff3a0000 0x0 0x1000>; interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>; clocks = <&cru SCLK_SPDIF_TX>, <&cru HCLK_SPDIFTX>; -- 2.11.0
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